Hay bale feeder



FIG. 1 is a perspective view of a hay bale feeder _showing my new design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is a reduced scale side elevational view of a modified form of the hay bale feeder shown in FIG. 1. 

The ornamental design for a hay bale feeder, substantially as shown and described. 